Dot::rect Tr::rect

Details

  • This message is generated when an argument in Dot or the first argument in Tr includes sublists of different lengths at the same level.
  • Off[message] switches off the message; On[message] switches it on. For example: Off[Dot::rect].

Examples

Basic Examples  (1)

The first expression is not a true matrix:

This shows a valid dot product of a vector and a matrix: